dysthymia
noun [ U ] medical specialized uk/dɪsˈθaɪ.mi.ə/ us/dɪsˈθaɪ.mi.ə/
心理沮丧，轻型抑郁症
a form of depression (= a mental illness causing feelings of unhappiness) that lasts for several years and but is less severe than other forms of depression
Low energy, poor concentration, and feelings of helplessness are common symptoms of dysthymia. 乏力、注意力难以集中以及无助感都是心理沮丧的常见症状。